Action figures (Toys)    [May Subd Geog] CHANGE GEOG    [sp2021057015]

NK4891.3-NK4894.3 DELETE FIELD

NK4891.3-NK4894.3 (Decorative arts) ADD FIELD

UF Figures, Action (Toys) DELETE FIELD

BT Character toys DELETE FIELD

BT Toys ADD FIELD

Machine-derived authority record. DELETE FIELD

African American actors CANCEL HEADING    [sp2021060252]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Actors and actresses (DLC)sj 96004701

African American agriculturists CANCEL HEADING    [sp2021060224]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Agriculturists (DLC)sj2021052407

African American authors CANCEL HEADING    [sp2021060407]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Authors (DLC)sj2021050051

African American boys CANCEL HEADING    [sp2021060226]

This authority record has been deleted because the heading is covered by the subject heading African Americans (DLC)sj2021050049

African American celebrities CANCEL HEADING    [sp2021060652]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Celebrities (DLC)sj2021051368

African American chemists CANCEL HEADING    [sp2021060601]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Chemists (DLC)sj2021054134

African American cyclists CANCEL HEADING    [sp2021060136]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Bicyclists (DLC)sj 96004912

African American girls CANCEL HEADING    [sp2021060185]

This authority record has been deleted because the heading is covered by the subject heading African Americans (DLC)sj2021050049

African American guitarists CANCEL HEADING    [sp2021060099]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Guitarists (DLC)sj2021060803

African American illustrators CANCEL HEADING    [sp2021060408]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Illustrators (DLC)sj2021050338

African American jockeys CANCEL HEADING    [sp2021060102]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Jockeys (DLC)sj2021052889

African American judges CANCEL HEADING    [sp2021060410]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Judges (DLC)sj2021052167

African American lawyers CANCEL HEADING    [sp2021060409]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Lawyers (DLC)sj2021052361

African American Muslims CANCEL HEADING    [sp2021060539]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Muslims (DLC)sj2021052248

African American painters CANCEL HEADING    [sp2021060249]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Artists (DLC)sj 96004826

African American pioneers CANCEL HEADING    [sp2021060001]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Pioneers (DLC)sj2021051147

African American poets CANCEL HEADING    [sp2021060051]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Poets (DLC)sj2021054355

African American politicians CANCEL HEADING    [sp2021060714]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Politicians (DLC)sj2021052222

African American potters CANCEL HEADING    [sp2021060858]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Potters (DLC)sj2021053124

African American rock musicians CANCEL HEADING    [sp2021060137]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Rock musicians (DLC)sj2021053171

African American singers CANCEL HEADING    [sp2021060668]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Singers (DLC)sj2021052223

African American students CANCEL HEADING    [sp2021060907]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Students (DLC)sj2021050692

African American surgeons CANCEL HEADING    [sp2021060769]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Surgeons (DLC)sj2021057965

African American teenage boys CANCEL HEADING    [sp2021060787]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Teenage boys (DLC)sj2021050965

African American track and field athletes CANCEL HEADING    [sp2021060984]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Track and field athletes (DLC)sj2021052061

African American women authors CANCEL HEADING    [sp2021060247]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Women authors (DLC)sj2021051295

African American women civil rights workers CANCEL HEADING    [sp2021058298]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Civil rights workers (DLC)sj2021050394 and Women (DLC)sj 96006385

African American women educators CANCEL HEADING    [sp2021060123]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Educators (DLC)sj2021051148 and Women (DLC)sj 96006385

African American women executives CANCEL HEADING    [sp2021060808]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Executives (DLC)sj2021050365 and Women (DLC)sj 96006385

African American women journalists CANCEL HEADING    [sp2021058299]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Journalists (DLC)sj2021050333 and Women (DLC)sj 96006385

African American women lawyers CANCEL HEADING    [sp2021060683]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Lawyers (DLC)sj2021052361 and Women (DLC)sj 96006385

African American women political activists CANCEL HEADING    [sp2021060356]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Political activists (DLC)sj2021055091 and Women (DLC)sj 96006385

African American women social reformers CANCEL HEADING    [sp2021060124]

This authority record has been deleted because the heading is covered by the subject headings African Americans (DLC)sj2021050049 and Reformers (DLC)sj 96006050 and Women (DLC)sj 96006385

Alternative schools    [May Subd Geog] CHANGE GEOG    [sp2021060857]

LC46-LC46.8 DELETE FIELD

LC46-LC46.8 (Special aspects of education) ADD FIELD

RT Alternative education DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Alternative schools. 2. Schools. ADD FIELD

Apple II (Computer) CHANGE HEADING

Apple II computers    [May Subd Geog] CHANGE GEOG    [sp2021053741]

UF Apple II (Computer) [Former heading]

UF Apple II Microcomputer

UF Apple II Plus (Computer) [Former heading]

UF Apple IIc (Computer) [Former heading]

UF Apple IIe (Computer) [Former heading]

UF Apple IIe Card (Computer)

UF Apple IIe Enhanced (Computer)

UF Apple IIe Platinum (Computer)

UF Apple 2 (Computer)

UF Apple 2c (Computer)

UF Apple 2e (Computer)

UF Apple 2e (Computer)

UF Apple 2e Card (Computer)

UF Apple 2e Enhanced (Computer)

UF Apple 2e Platinum (Computer)

BT Apple computers

When this heading is assigned, the subject headings Apple computers and Computers are also assigned, e.g., 1. Apple II computers. 2. Apple computers. 3. Computers.

Heading changed from Apple II (Computer) to Apple II computers in February 2024.

150

Apple II Plus (Computer) CANCEL HEADING    [sp2021054925]

682

This authority record has been deleted because it is covered by the subject heading Apple II computers (DLC)sj2021053741

150

Apple IIc (Computer) CANCEL HEADING    [sp2021056932]

682

This authority record has been deleted because it is covered by the subject heading Apple II computers (DLC)sj2021053741

150

Apple IIe (Computer) CANCEL HEADING    [sp2021054926]

682

This authority record has been deleted because it is covered by the subject heading Apple II computers (DLC)sj2021053741

Art schools    [May Subd Geog] CHANGE GEOG    [sp2021059315]

RT Art--Study and teaching DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Art schools. 2. Schools. ADD FIELD

Bible plays    [Not Subd Geog]    [sp2021051543]

PN6120.R4 DELETE FIELD

PN6120.R4 (Collections of general literature) ADD FIELD

UF Bible--Drama DELETE FIELD

UF Bible--History of Biblical events--Drama DELETE FIELD

UF Plays, Bible DELETE FIELD

BT Children's plays DELETE FIELD

BT Mysteries and miracle-plays DELETE FIELD

Machine-derived authority record. DELETE FIELD

Bible stories    [Not Subd Geog]    [sp2021050145]

BS546-BS559 DELETE FIELD

BS546-BS559 (The Bible) ADD FIELD

UF Bible--History of Biblical events--Juvenile literature DELETE FIELD

UF Bible--Stories DELETE FIELD

UF Bible--History of Biblical events ADD FIELD

Machine-derived authority record. DELETE FIELD

Bible stories--Acts    [Not Subd Geog]    [sp2024050016]

Bible stories--Esther    [Not Subd Geog]    [sp2024050017]

Bible stories--Exodus    [Not Subd Geog]    [sp2024050018]

Bible stories--Genesis    [Not Subd Geog]    [sp2024050019]

Bible stories--Gospels    [Not Subd Geog]    [sp2024050020]

Bible stories--Jonah    [Not Subd Geog]    [sp2024050021]

Bible stories--Joshua    [Not Subd Geog]    [sp2024050022]

Bible stories--Judges    [Not Subd Geog]    [sp2024050023]

Bible stories--Luke    [Not Subd Geog]    [sp2024050024]

Bible stories--Matthew    [Not Subd Geog]    [sp2024050025]

Bible stories--New Testament    [Not Subd Geog]    [sp2024050014]

Bible stories--Old Testament    [Not Subd Geog]    [sp2024050015]

Bible stories--Revelation    [Not Subd Geog]    [sp2024050027]

Bible stories--Ruth    [Not Subd Geog]    [sp2024050028]

Blind CHANGE HEADING

Blind people    [May Subd Geog] CHANGE GEOG    [sp2021052206]

HV1571-HV2349 (Social pathology)

UF Blind [Former heading]

UF Blind persons

UF Blindness--Patients

BT People with visual disabilities

RT Deafblind people

Heading changed from Blind to Blind people in February 2024.

Boarding schools    [May Subd Geog] CHANGE GEOG    [sp2021050654]

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Boarding schools. 2. Schools. ADD FIELD

Cerebral palsy    [May Subd Geog] CHANGE GEOG    [sp2021052064]

RA645.C47 (Public health) DELETE FIELD

RC388 (General) DELETE FIELD

RA645.C47 (Public aspects of medicine) ADD FIELD

RC388 (Internal medicine) ADD FIELD

UF Cerebral palsied ADD FIELD

Machine-derived authority record. DELETE FIELD

Charter schools    [May Subd Geog] CHANGE GEOG    [sp2021050633]

LB2806.36 DELETE FIELD

LB2806.36 (Theory and practice of education) ADD FIELD

UF Chartered schools DELETE FIELD

RT Grant-maintained schools DELETE FIELD

RT Privatization in education DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Charter schools. 2. Schools. ADD FIELD

Clowns in art CANCEL HEADING    [sp2021056499]

This authority record has been deleted because there is no literary warrant in the CYAC catalog.

Commodore computers    [May Subd Geog] CHANGE GEOG    [sp2021050703]

BT Electronic digital computers DELETE FIELD

BT Computers ADD FIELD

Machine-derived authority record. DELETE FIELD

150

Commodore 64 (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021051812]

450

UF Commodore 64 computers ADD FIELD

450

UF Commodore 64 personal computer ADD FIELD

550

BT Electronic digital computers DELETE FIELD

667

Machine-derived authority record. DELETE FIELD

680

When this heading is assigned, the subject headings Commodore computers and Computers are also assigned, e.g., 1. Commodore 64 computers. 2. Commodore computers. 3. Computers. ADD FIELD

150

PET (Computer) CHANGE HEADING

150

Commodore PET (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021055746]

450

UF Commodore personal electronic transactor

450

UF PET (Computer) [Former heading]

450

UF Personal electronic transactor (Computer)

550

BT Commodore computers

680

When this heading is assigned, the subject headings Commodore computers and Computers are also assigned, e.g., 1. Commodore PET computers. 2. Commodore computers. 3. Computers.

150

VIC 20 (Computer) CHANGE HEADING

150

Commodore VIC 20 (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021051813]

450

UF VIC 20 (Computer) [Former heading]

550

BT Commodore computers

680

When this heading is assigned, the subject headings Commodore computers and Computers are also assigned, e.g., 1. Commodore VIC 20 computers. 2. Commodore computers. 3. Computers.

Contraltos CANCEL HEADING    [sp2021060667]

This authority record has been deleted because there is no literary warrant in the CYAC catalog.

Daggers    [May Subd Geog]    [sp2024050031]

NK6805 (Decorative arts)

U850-U856 (Military Science (General))

BT Weapons

When this heading is assigned, the subject heading Weapons is also assigned, e.g., 1. Daggers. 2. Weapons.

Elementary schools CANCEL HEADING    [sp2021052294]

This authority record has been deleted because the subject heading is covered by the subject heading Schools (DLC)sj 96006089.

Fairy tales    [Not Subd Geog]    [sp2021050020]

PZ8 (English juvenile editions) DELETE FIELD

PZ8 (Fiction and juvenile belles lettres) ADD FIELD

UF Fairy tales--Juvenile fiction DELETE FIELD

UF Fairy tales--Juvenile literature DELETE FIELD

BT Children's stories DELETE FIELD

BT Tales DELETE FIELD

BT Fiction ADD FIELD

BT Folklore ADD FIELD

Machine-derived authority record. DELETE FIELD

Gay rights    [May Subd Geog] CHANGE GEOG    [sp2021052810]

HQ76.5-HQ76.8 (Sociology) DELETE FIELD

HQ76.5-HQ76.8 (The family) ADD FIELD

UF Gays--Civil rights DELETE FIELD

UF Rights of gays DELETE FIELD

UF Gay people--Civil rights ADD FIELD

UF Lesbian and gay rights ADD FIELD

UF Rights of gay men ADD FIELD

UF Rights of gay people ADD FIELD

BT Gay men--Legal status, laws, etc. DELETE FIELD

BT Gays--Legal status, laws, etc. DELETE FIELD

BT Lesbians--Legal status, laws, etc. DELETE FIELD

BT Gay people ADD FIELD

Machine-derived authority record. DELETE FIELD

Ghost plays    [Not Subd Geog]    [sp2021053891]

UF Ghosts--Drama DELETE FIELD

UF Ghosts--Juvenile drama DELETE FIELD

Machine-derived authority record. DELETE FIELD

High schools    [May Subd Geog] CHANGE GEOG    [sp2021050349]

LB1603-LB1694 DELETE FIELD

LB1603-LB1694.23 (Theory and practice of education) ADD FIELD

RT Education, Secondary DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. High schools. 2. Schools. ADD FIELD

Hispanic American actors CANCEL HEADING    [sp2021057169]

This authority record has been deleted because there is no literary warrant in the CYAC catalog.

Home children (Canadian immigrants) CANCEL HEADING    [sp2021059895]

This authority record has been deleted because there is no literary warrant in the CYAC catalog.

IBM PCjr (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021055772]

QA76.8.I DELETE FIELD

BT IBM microcomputers DELETE FIELD

BT IBM Personal Computers ADD FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the subject heading IBM Personal Computers is also assigned, e.g., 1. BM PCjr computers. 2. IBM Personal Computers. ADD FIELD

IBM Personal Computer--Programming CHANGE HEADING

IBM Personal Computers--Programming    [May Subd Geog]    [sp2023050236]

When this heading is assigned, the subject heading Programming (Computers) is also assigned, e.g., 1. IBM Personal Computers 2. Programming (Computers).

Example under Programming (Computers)

Established November 2023.

Heading changed from IBM Personal Computer--Programming to IBM Personal Computers--Programming in February 2024.

Industrial efficiency    [May Subd Geog]    [sp2024050004]

T58.8 (Technology (General))

UF Efficiency, Industrial

BT Industrial management

150

Automation    [May Subd Geog] CHANGE GEOG    [sp2021056745]

053

HC79.A9 (Economic history and conditions) ADD FIELD

053

HD45.2 (Industries) ADD FIELD

053

T59.5 (Technology (General)) ADD FIELD

360

SA subdivision Automation under names of individual corporate bodies and under types of industries, buildings, processes, systems, and organizations, e.g. Construction industry--Automation; and subdivision Effect of automation on under occupational groups and types of employees DELETE FIELD

550

BT Mechanization DELETE FIELD

550

RT Assembly-line methods DELETE FIELD

550

RT Automatic control DELETE FIELD

550

RT Automatic machinery DELETE FIELD

550

RT CAD/CAM systems DELETE FIELD

550

RT Robotics DELETE FIELD

550

BT Industrial efficiency ADD FIELD

667

Machine-derived authority record. DELETE FIELD

150

Farm mechanization    [May Subd Geog] CHANGE GEOG    [sp2021058607]

053

HD1459 DELETE FIELD

053

HD1459-HD1459.2 (Industries) ADD FIELD

550

BT Mechanization DELETE FIELD

550

RT Agricultural machinery DELETE FIELD

550

BT Industrial efficiency ADD FIELD

667

Machine-derived authority record. DELETE FIELD

Industrial engineering    [May Subd Geog]    [sp2023050262]

T55.4-T60.8 (Technology (General))

UF Management engineering

BT Engineering

Here are entered works on the application of engineering principles and techniques to the design, installation and improvement of integrated systems employing persons, materials, and equipment for a high level of productivity at an optimum cost.

Junior high schools    [May Subd Geog] CHANGE GEOG    [sp2021053881]

LB1623 DELETE FIELD

LB1623-LB1623.53 (Theory and practice of education) ADD FIELD

UF High schools, Junior DELETE FIELD

UF Junior high ADD FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Junior high schools. 2. Schools. ADD FIELD

Kindergarten    [May Subd Geog] CHANGE GEOG    [sp2021051265]

HV1643 (Blind) DELETE FIELD

HV2443 (Deaf) DELETE FIELD

LB1141-LB1499 DELETE FIELD

HV1643 (Social pathology) ADD FIELD

HV2443 (Social and public welfare) ADD FIELD

LB1141-LB1499 (Theory and practice of education) ADD FIELD

UF Froebel system of education DELETE FIELD

UF Kindergartens ADD FIELD

BT Early childhood education DELETE FIELD

RT Nursery schools DELETE FIELD

BT Schools ADD FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Kindergarten. 2. Schools. ADD FIELD

Lucha libre    [May Subd Geog]    [sp2024050030]

GV1197.3 (Recreation)

BT Wrestling

Here are entered works on a style of theatrical freestyle wrestling that originated in Mexico and is characterized by masked wrestlers and rapid, acrobatic techniques.

When this heading is assigned, the subject heading Wrestling is also assigned, e.g., 1. Lucha libre. 2. Wrestling.

Mexican American tennis players CANCEL HEADING    [sp2021058305]

This authority record has been deleted because there is no literary warrant in the CYAC catalog.

Middle schools    [May Subd Geog] CHANGE GEOG    [sp2021052280]

LB1623 DELETE FIELD

LB1623-LB1623.53 (Theory and practice of education) ADD FIELD

RT Elementary schools DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Middle schools. 2. Schools. ADD FIELD

Monkeys as aids for people with disabilities CANCEL HEADING    [sp2021058522]

This authority record has been deleted because the heading is covered by the subject headings Working animals (DLC)sj2021054907 and People with disabilities (DLC)sj2021050189 and Monkeys (DLC)sj2021050650

Pizzerias    [May Subd Geog]    [sp2024050032]

BT Restaurants

Play schools CANCEL HEADING    [sp2021055061]

This authority record has been deleted because the subject heading is covered by the subject heading Nursery schools (DLC)sj2021050642.

Preparatory schools    [May Subd Geog] CHANGE GEOG    [sp2021059134]

LC58-LC58.7 DELETE FIELD

LC58-LC58.7 (Special aspects of education) ADD FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Preparatory schools. 2. Schools. ADD FIELD

Private schools    [May Subd Geog] CHANGE GEOG    [sp2021061498]

LC47-LC57 DELETE FIELD

LC47-LC57 (Special aspects of education) ADD FIELD

UF Independent schools DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Private schools. 2. Schools. ADD FIELD

Rural schools CANCEL HEADING    [sp2021056676]

This authority record has been deleted because the subject heading is covered by the subject heading Schools (DLC)sj 96006089.

Sinclair ZX Spectrum (Computer) CHANGE HEADING

Sinclair ZX Spectrum computers    [May Subd Geog] CHANGE GEOG    [sp2021055759]

UF Sinclair ZX Spectrum (Computer) [Former heading]

UF Spectrum, Sinclair ZX (Computer)

UF ZX Spectrum (Computer)

UF ZX Spectrum+

UF ZX Spectrum plus

UF ZX Spectrum 128

BT Computers

When this heading is assigned, the subject heading Computers is also assigned, e.g., 1. Sinclair ZX Spectrum computers. 2. Computers.

Heading changed from Sinclair ZX Spectrum (Computer) to Sinclair ZX Spectrum computers in February 2024.

Sinclair ZX81 (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021054901]

QA76.8.S DELETE FIELD

BT Electronic digital computers DELETE FIELD

BT Computers ADD FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the subject heading Computers is also assigned, e.g., 1. Sinclair ZX81 computers. 2. Computers. ADD FIELD

Single-sex schools    [May Subd Geog] CHANGE GEOG    [sp2021057664]

LB3067.3-LB3067.7 DELETE FIELD

LB3067.3-LB3067.7 (Theory and practice of education) ADD FIELD

UF Same-gender schools DELETE FIELD

UF Same-sex schools DELETE FIELD

UF Segregation of sexes in schools DELETE FIELD

UF Sex-segregated schools DELETE FIELD

UF Single-gender schools ADD FIELD

RT Coeducation DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Single-sex schools. 2. Schools. ADD FIELD

Summer schools    [May Subd Geog] CHANGE GEOG    [sp2021061520]

LC5701-LC5760 DELETE FIELD

LC5701-LC5760.4 (Special aspects of education) ADD FIELD

RT University extension DELETE FIELD

Machine-derived authority record. DELETE FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Summer schools. 2. Schools. ADD FIELD

Teachers of the deaf CANCEL HEADING    [sp2021057906]

This authority record has been deleted because there is no literary warrant in the CYAC vocabulary.

TI 99/4A (Computer)    [May Subd Geog] CHANGE GEOG    [sp2021051892]

QA76.8.T DELETE FIELD

BT Electronic digital computers DELETE FIELD

BT Computers ADD FIELD

Machine-derived authority record. DELETE FIELD

Urban schools CANCEL HEADING    [sp2021055530]

This authority record has been deleted because the subject heading is covered by the subject heading Schools (DLC)sj 96006089.

Vacation Bible schools    [May Subd Geog] ADD GEOG    [sp 96006311 ]

BV1585 (Practical theology) ADD FIELD

UF Vacation schools, Christian DELETE FIELD

UF Christian vacation schools ADD FIELD

UF Church vacation schools ADD FIELD

UF Daily vacation Bible schools ADD FIELD

UF Vacation church schools ADD FIELD

BT Christian education ADD FIELD

BT Schools ADD FIELD

When this heading is assigned, the second subject heading Schools is also assigned, e.g., 1. Vacation Bible schools. 2. Schools. ADD FIELD

Working dogs    [May Subd Geog] CHANGE GEOG    [sp2021052929]

SF428.2 DELETE FIELD

SF428.2-SF428.8 (Animal culture) ADD FIELD

Machine-derived authority record. DELETE FIELD

Zilog Z-80 (Microprocessor) CHANGE HEADING

Zilog Z-80 microprocessors    [May Subd Geog] CHANGE GEOG    [sp2021057401]

UF Z-80 (Microprocessor)

UF Z80 (Microprocessor)

UF Zilog Model Z-80 (Computer)

UF Zilog Z-80 (Microprocessor) [Former heading]

BT Microprocessors

When this heading is assigned, the subject heading Microprocessors is also assigned, e.g., 1. Zilog Z-80 microprocessors. 2. Microprocessors.

Heading changed from Zilog Z-80 (Microprocessor) to Zilog Z-80 microprocessors in February 2024.